// Copyright (c) 2008-2010, Arne Claus
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the 
// following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this list of conditions and the following 
//   disclaimer.
// - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following 
//   disclaimer in the documentation and/or other materials provided with the distribution.
// - Neither the name Arne Claus nor the names of any contributors may be used to endorse or promote products
//   derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 
// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 
// USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#ifndef __INCLUDED_CRL_SHADER_ATOMIC_H_
#define __INCLUDED_CRL_SHADER_ATOMIC_H_

#include "CRL_ShaderDescriptor.h"
#include "CRL_ShaderPassAtomic.h"
#include "CBL_StaticVector.h"
#include "CBL_IdMap.h"

CB_SUBNAMESPACE_START(RenderLib)

class IShaderProgramAtomic : public IAtomic
{
public:
	
	virtual void SetSourceAndCompile(const CShaderProgramDescriptor& _rDescriptor) = 0;
	
	CShaderAtomicPtr GetPass(const char* _pTechnique, const char* _pName) const;
	
protected:
	
	void RegisterPass(IShaderAtomic* _pPass, const char* _pTechnqiueName, const char* _pPassName);
	
protected:
	
	typedef CStaticVector<CShaderAtomicPtr> CShaderPassVector;
	
	struct STechnique
	{
		CIdMap			  m_PassMap;
		CShaderPassVector m_Passes;
	};
	
	typedef CStaticVector<STechnique> CTechniqueVector;
	
protected:
	
	CIdMap			  		 m_TechniqueMap;
	CTechniqueVector  		 m_Techniques;
	CShaderProgramDescriptor m_Descriptor;
};

typedef CResourcePtr<IShaderProgramAtomic> CShaderProgramAtomicPtr;

CB_SUBNAMESPACE_END

#endif